git.maemo.org Git - modest/blob - src/modest-dimming-rule.c

   1 /* Copyright (c) 2006, Nokia Corporation
   2  * All rights reserved.
   3  *
   4  * Redistribution and use in source and binary forms, with or without
   5  * modification, are permitted provided that the following conditions are
   6  * met:
   7  *
   8  * * Redistributions of source code must retain the above copyright
   9  *   notice, this list of conditions and the following disclaimer.
  10  * * Redistributions in binary form must reproduce the above copyright
  11  *   notice, this list of conditions and the following disclaimer in the
  12  *   documentation and/or other materials provided with the distribution.
  13  * * Neither the name of the Nokia Corporation nor the names of its
  14  *   contributors may be used to endorse or promote products derived from
  15  *   this software without specific prior written permission.
  16  *
  17  * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS
  18  * IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
  19  * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A
  20  * PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER
  21  * OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
  22  * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
  23  * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
  24  * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
  25  * LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
  26  * NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
  27  * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  28  */
  29
  30 #include "modest-dimming-rule.h"
  31
  32 static void modest_dimming_rule_class_init (ModestDimmingRuleClass *klass);
  33 static void modest_dimming_rule_init       (ModestDimmingRule *obj);
  34 static void modest_dimming_rule_finalize   (GObject *obj);
  35
  36 typedef struct _ModestDimmingRulePrivate ModestDimmingRulePrivate;
  37 struct _ModestDimmingRulePrivate {
  38         ModestDimmingRulesGroup *group;
  39         ModestWindow *win;
  40         ModestDimmingCallback dimming_rule;
  41         gchar *action_path;
  42         GtkWidget *widget;
  43         gchar *notification;
  44 };
  45
  46 #define MODEST_DIMMING_RULE_GET_PRIVATE(o)      (G_TYPE_INSTANCE_GET_PRIVATE((o), \
  47                                                    MODEST_TYPE_DIMMING_RULE, \
  48                                                    ModestDimmingRulePrivate))
  49
  50 /* globals */
  51 static GObjectClass *parent_class = NULL;
  52
  53 GType
  54 modest_dimming_rule_get_type (void)
  55 {
  56         static GType my_type = 0;
  57         if (!my_type) {
  58                 static const GTypeInfo my_info = {
  59                         sizeof(ModestDimmingRuleClass),
  60                         NULL,           /* base init */
  61                         NULL,           /* base finalize */
  62                         (GClassInitFunc) modest_dimming_rule_class_init,
  63                         NULL,           /* class finalize */
  64                         NULL,           /* class data */
  65                         sizeof(ModestDimmingRule),
  66                         1,              /* n_preallocs */
  67                         (GInstanceInitFunc) modest_dimming_rule_init,
  68                         NULL
  69                 };
  70                 my_type = g_type_register_static (G_TYPE_OBJECT,
  71                                                   "ModestDimmingRule",
  72                                                   &my_info, 0);
  73         }
  74         return my_type;
  75 }
  76
  77 static void
  78 modest_dimming_rule_class_init (ModestDimmingRuleClass *klass)
  79 {
  80         GObjectClass *gobject_class;
  81         gobject_class = (GObjectClass*) klass;
  82
  83         parent_class            = g_type_class_peek_parent (klass);
  84         gobject_class->finalize = modest_dimming_rule_finalize;
  85
  86         g_type_class_add_private (gobject_class, sizeof(ModestDimmingRulePrivate));
  87 }
  88
  89 static void
  90 modest_dimming_rule_init (ModestDimmingRule *obj)
  91 {
  92         ModestDimmingRulePrivate *priv;
  93
  94         priv = MODEST_DIMMING_RULE_GET_PRIVATE(obj);
  95         priv->group= NULL;
  96         priv->win = NULL;
  97         priv->dimming_rule = NULL;
  98         priv->action_path = NULL;
  99         priv->widget = NULL;
 100         priv->notification = NULL;
 101 }
 102
 103 static void
 104 modest_dimming_rule_finalize (GObject *obj)
 105 {
 106         ModestDimmingRulePrivate *priv;
 107
 108         priv = MODEST_DIMMING_RULE_GET_PRIVATE(obj);
 109
 110         if (priv->group != NULL)
 111                 g_object_unref(priv->group);
 112         if (priv->action_path != NULL)
 113                 g_free(priv->action_path);
 114         if (priv->notification != NULL)
 115                 g_free(priv->notification);
 116
 117         G_OBJECT_CLASS(parent_class)->finalize (obj);
 118 }
 119
 120
 121 ModestDimmingRule*
 122 modest_dimming_rule_new(ModestWindow *win,
 123                         ModestDimmingCallback dimming_rule,
 124                         const gchar *action_path)
 125 {
 126         ModestDimmingRule *obj;
 127         ModestDimmingRulePrivate *priv;
 128
 129         g_return_val_if_fail (MODEST_IS_WINDOW (win), NULL);
 130         g_return_val_if_fail (dimming_rule != NULL, NULL);
 131         g_return_val_if_fail (action_path != NULL, NULL);
 132
 133         obj = MODEST_DIMMING_RULE(g_object_new(MODEST_TYPE_DIMMING_RULE, NULL));
 134
 135         priv = MODEST_DIMMING_RULE_GET_PRIVATE(obj);
 136         priv->win = win;
 137         priv->dimming_rule = dimming_rule;
 138         priv->action_path = g_strdup(action_path);
 139
 140         return obj;
 141 }
 142
 143 ModestDimmingRule*
 144 modest_dimming_rule_new_from_widget (ModestWindow *win,
 145                                      ModestDimmingCallback dimming_rule,
 146                                      GtkWidget *widget)
 147 {
 148         ModestDimmingRule *obj;
 149         ModestDimmingRulePrivate *priv;
 150
 151         g_return_val_if_fail (MODEST_IS_WINDOW (win), NULL);
 152         g_return_val_if_fail (dimming_rule != NULL, NULL);
 153         g_return_val_if_fail (GTK_IS_WIDGET (widget), NULL);
 154
 155         obj = MODEST_DIMMING_RULE(g_object_new(MODEST_TYPE_DIMMING_RULE, NULL));
 156
 157         priv = MODEST_DIMMING_RULE_GET_PRIVATE(obj);
 158         priv->win = win;
 159         priv->dimming_rule = dimming_rule;
 160         priv->widget = widget;
 161
 162         return obj;
 163 }
 164
 165
 166 void
 167 modest_dimming_rule_process (ModestDimmingRule *self)
 168 {
 169
 170         ModestDimmingRulePrivate *priv = NULL;
 171         GtkAction *action = NULL;
 172         gboolean dimmed = FALSE;
 173
 174         priv = MODEST_DIMMING_RULE_GET_PRIVATE(self);
 175         g_return_if_fail (priv->win != NULL);
 176         g_return_if_fail (priv->dimming_rule != NULL);
 177         g_return_if_fail ((priv->action_path != NULL)|| GTK_IS_WIDGET (priv->widget));
 178
 179         /* process dimming rule */
 180         dimmed = priv->dimming_rule (priv->win, self);
 181
 182         /* Update dimming status */
 183         if (priv->action_path != NULL) {
 184                 action = modest_window_get_action (priv->win, priv->action_path);
 185                 if (action != NULL)
 186                         gtk_action_set_sensitive (action, !dimmed);
 187                 else
 188                         g_printerr ("modest: action path '%s' has not associatd action\n", priv->action_path);
 189         } else if (priv->widget != NULL) {
 190 #ifdef MODEST_TOOLKIT_HILDON2
 191                 if (GTK_IS_TOOL_ITEM (priv->widget)) {
 192                         gtk_widget_set_sensitive (priv->widget, !dimmed);
 193                 } else {
 194                         GtkWidget *parent;
 195                         parent = gtk_widget_get_parent (priv->widget);
 196                         if (parent && HILDON_IS_APP_MENU (parent)) {
 197                                 if (dimmed)
 198                                         gtk_widget_hide (priv->widget);
 199                                 else
 200                                         gtk_widget_show (priv->widget);
 201                         } else {
 202                                 gtk_widget_set_sensitive (priv->widget, !dimmed);
 203                         }
 204                 }
 205 #else
 206                 gtk_widget_set_sensitive (priv->widget, !dimmed);
 207 #endif
 208         }
 209 }
 210
 211 void
 212 modest_dimming_rule_set_group (ModestDimmingRule *rule,
 213                                ModestDimmingRulesGroup *group)
 214 {
 215         ModestDimmingRulePrivate *priv = NULL;
 216
 217         g_return_if_fail (MODEST_IS_DIMMING_RULE (rule));
 218         g_return_if_fail (MODEST_IS_DIMMING_RULES_GROUP (group));
 219         priv = MODEST_DIMMING_RULE_GET_PRIVATE(rule);
 220
 221         if (priv->group == group)
 222                 return;
 223         if (priv->group != NULL)
 224                 g_object_unref (priv->group);
 225         priv->group = g_object_ref (group);
 226 }
 227
 228 ModestDimmingRulesGroup *
 229 modest_dimming_rule_get_group (ModestDimmingRule *rule)
 230 {
 231         ModestDimmingRulePrivate *priv = NULL;
 232
 233         g_return_val_if_fail (MODEST_IS_DIMMING_RULE (rule), NULL);
 234         priv = MODEST_DIMMING_RULE_GET_PRIVATE(rule);
 235         g_return_val_if_fail (MODEST_IS_DIMMING_RULES_GROUP (priv->group), NULL);
 236
 237         return g_object_ref(priv->group);
 238 }
 239
 240 void
 241 modest_dimming_rule_set_notification (ModestDimmingRule *rule,
 242                                       const gchar *notification)
 243 {
 244         ModestDimmingRulePrivate *priv = NULL;
 245
 246         g_return_if_fail (MODEST_IS_DIMMING_RULE (rule));
 247         priv = MODEST_DIMMING_RULE_GET_PRIVATE(rule);
 248
 249         /* Free previous notification */
 250         if (priv->notification != NULL) {
 251                 g_free(priv->notification);
 252                 priv->notification = NULL;
 253         }
 254
 255         /* Set new notification message */
 256         if (notification != NULL)
 257                 priv->notification = g_strdup(notification);
 258 }
 259
 260 gchar *
 261 modest_dimming_rule_get_notification (ModestDimmingRule *rule)
 262 {
 263         ModestDimmingRulePrivate *priv = NULL;
 264
 265         g_return_val_if_fail (MODEST_IS_DIMMING_RULE (rule), NULL);
 266         priv = MODEST_DIMMING_RULE_GET_PRIVATE(rule);
 267
 268         return g_strdup(priv->notification);
 269 }
 270
 271 GtkWidget *
 272 modest_dimming_rule_get_widget (ModestDimmingRule *rule)
 273 {
 274         ModestDimmingRulePrivate *priv = NULL;
 275
 276         g_return_val_if_fail (MODEST_IS_DIMMING_RULE (rule), NULL);
 277         priv = MODEST_DIMMING_RULE_GET_PRIVATE(rule);
 278
 279         if (priv->action_path != NULL)
 280                 return modest_window_get_action_widget (MODEST_WINDOW (priv->win), priv->action_path);
 281         else
 282                 return priv->widget;
 283 }
 284
 285 const gchar *
 286 modest_dimming_rule_get_action_path (ModestDimmingRule *rule)
 287 {
 288         ModestDimmingRulePrivate *priv = NULL;
 289
 290         g_return_val_if_fail (MODEST_IS_DIMMING_RULE (rule), NULL);
 291         priv = MODEST_DIMMING_RULE_GET_PRIVATE(rule);
 292
 293         return priv->action_path;
 294 }